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Invention relates to lighting engineering. A lamp (100) contains at least one light-generating element (2), a partially transparent lampshade (5) placed around the light-generating element (2) over the angle of at least 180°, but 360° is more preferable, at least one liquid crystal screen (10) placed between the light-generating element and the lampshade, and a controller (20) to control the liquid crystal screen so that it has sections of mutually variable light transmission in the range of 0% and 100% so that an image is displayed. In the horizontal cross-section the liquid crystal display is continued in two dimensions with its concave side faced to the light-generating element. The liquid crystal screen should be flexible preferably so that it may be bended and shaped cylindrically around the light-generating element. |
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Invention is related to semiconductor light engineering, in particular to a light-emitting diode lamp for general and special applications, for example, in explosion-proof luminaries. The lamp is designed with a light emitter made of at least two elongated and individually protected LED modules or lines assembled in a thermal contact area on individual cooling radiators separated in space, mounted in meridian planes in parallel or at an acute angle to the longitudinal axis of the lamp and coupled to a converter of the supply mains placed in a separate insulated chamber. Each LED module or line is encapsulated into a tubular and optically transparent bulb with a long slot and an elongated radiator with cooling fins protruding from the slot along its whole length, the radiator is connected by a channel for current-carrying facilities to the chamber of the supply mains converter. |
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Invention relates to lamps with light-emitting diodes (LED). The lamp has at least one LED (4) as an illumination means and consists of a lamp housing with an umbrella surrounding the LED and a socket supporting the LED. The lamp housing (1) completely consists of a ceramic material and there are channels for connecting LED (4) leads (5) in the socket (3). The LED has a SMD housing and is soldered to the socket in a predefined place to soldering points by its anode contact to the anode lead and by its cathode contact to the cathode lead of the connecting lead (5). The umbrella can have cooling fins located on its outer surface. The ceramic material is aluminium oxide. |
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Illumination system and liquid crystal display device using said system Invention relates to lighting engineering. The illumination system comprises a light-emitting part (1), having light sources configured to emit light beams at different dominant wavelengths, and an image-forming optical system (3), having microlenses (3a) configured to focus the light beams emitted by the light-emitting part (1). The illumination system is configured to illuminate a liquid crystal panel with light beams passing through the image-forming optical system (3). The liquid crystal panel has pixels which are spaced apart by a predetermined spacing and each of which has display elements corresponding to each separate colour, and under the condition that the spacing of the pixels is denoted by P, and the image-forming optical system has a zoom factor (1/n), the light sources are spaced apart by a spacing P1, given as P1=n × P, and the microlenses are spaced apart by a spacing P2, given as P2=(n/(n+1)) × P. |
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Method of forming indicatrix of radiation of on-board air navigation light in horizontal plane To widen the radiation angle of on-board air navigation light, additional light flux is generated by re-reflection of light flux of LEDs from a flat diffusion-scattering reflector mounted with an inclination angle relative to the base, defined by disclosed relationships. |
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Aboveground led lighting facility for airfield Facility contains a case (11) designed for fixture to a support (14) fixing the above case in the aboveground position (15), and at least one light unit (12, 13) with at least one light-emitting diode (LED) (17). In the case (11) there is an electronic circuit of the LED (17) power supply and excitation, which contains the first heat sink (110) being in a thermal contact with the above electronic circuit. The light unit contains the second heat sink (322, 422). The light unit (12, 13) is made as an element separated from the case (11) and containing the front part (122, 132) intended for emission of light emitted by the diode, the front part has a rear surface (120, 130) with the second heat sink (322, 422) on it. The light unit (12, 13) is mounted so that it can be fixed to the case (11). In the fixed position the rear surface (120, 130) is placed between the front part (122, 132) and the case (11), while between the case (11) and the light unit (12, 13) a channel is formed for fluid passing and the ambient air passes through it so that the above second heat sink provides heat dissipation in the ambient air by natural convention. |
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Light source with light-emitting diodes, beamguide and reflector Invention is related to light-emitting diodes (LED), a source light that can be adapted for refitting of a lighting facility using the light source based on a filament lamp. The light source contains a light module with one or more LEDs, beamguide which refraction index is higher than the refraction index of the beamguide environment, and a reflector having reflective surface faced towards output end of the beamguide; the reflecting surface is concave or bowed and at least one part of the reflector is not covered with reflecting material. |
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Invention relates to lighting engineering. The lighting device includes illumination devices (40) which at voltage supply emit primary radiation and solid particles (64, 66) which surround the illumination devices (40) at least by sections and interact with the primary radiation. Concentration of particles (64, 66) changes at least in one direction from the illumination devices (40) from the first concentration section up to the second one. |
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Method for focusing spotlight with discharge lamp According to the suggested method the spotlight beam is directed to the screen through a non-transparent mask with two holes symmetrical in regard to the spotlight optical axis, the mask the light spot at the screen is analysed, images of the discharge lamp anode and cathode are observed and the distance d1 is measured between peaks of two anode images and distance d2 is measured between peaks of two cathode images, then the discharge lamp is shifted along the optical axis of the spotlight until the focusing criterion is reached, at that the focusing criterion is the ratio between the distances d1, d2 and d0, where d0 is the distance between the hole centres in the mask. |
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Lighting unit with protective tube Invention relates to electrical engineering. The lighting unit consists of an elongated lamp (3) with cold cathode, the first and second wires (6, 9) connected to the lamp with cold cathode at its first and second ends (10, 11) respectively for connection to the power source or voltage source, and at least partially transparent cylinder (2) with the first and second ends (7, 8) intended for containment of the lamp with cold cathode. The technical result is attained due to the fact that the cylinder (2) is made as a whole part. Inside the cylinder there is a channel (5) with a solid side panel for the wire, at that the channel is configured so that the first wire (6) of the lamp (3) with cold cathode may be passed through it, and a channel (4) for the light source capable to receive the lamp (3) with cold cathode; moreover the above channels are placed between the first and second ends of the cylinder. |
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Invention relates to a light-emitting device (1) that contains a printed circuit board (PCB) having at least one current-conducting and heat-conducting section, a light-emitting diode (LED) coupled thermally to at least one current-conducting and heat-conducting section by means of at least one LED contact, and a heat-removing component for dissipation of heat generated by the LED, at that the heat-removing component is coupled thermally to at least one current-conducting and heat-conducting section where heat generated by the LED is transferred along the heat transmission pathway passing from the diode through at least one contact and at least one current-conducting and heat-conducting section to the heat-removing component. |
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Invention relates to construction and lighting engineering. The partition contains the first component (4) of the coating covered with light-emitting fabric (6), which passes in essence in vertical plane and contains the front surface with the light-emitting fabric (6), the rear surface opposite to the front one, the lower edge and the upper edge. the light-emitting fabric (6) contains optical fibres (7) passing in essence in vertical direction at the front surface of the first element (4) of the coating, at that the first ends of optical fibres are curved around the lower edge of the first component (4) of the coating in direction towards its rare surface. The first unit (8) contains light sources and means (10) intended for connecting ends of optical fibres (7) of the light-emitting fabric (6) curved around the lower edge of the first component (4) of the coating. The first unit (8) is connected rigidly to the first component (4) of the coating and supported by means of support legs (20) passing outside the limits of the lower edge of the first component (4) of the coating. |
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Variable colour light-emitting device Invention relates to light engineering and specifically to a variable colour light emitting device (100; 200; 300; 400) comprising at least one light source (101; 201; 303; 401) and at least one deformable element (102; 202; 301; 402). The deformable element (102; 202; 301; 402) comprises particles of at least one wavelength converting material (103; 203; 305; 403), wherein the deformable element (102; 202; 301; 402) is arranged to receive light from the at least one light source (101; 201; 303; 401) and to convert it into light of another wavelength. Since the element comprising the wavelength converting material is deformable, the thickness of the element can be varied. This thickness variation allows for the wavelength converting material, and therefore also the colour, to be tuned. |
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Led-based light source for light fixtures of sanitary grade Invention relates to lighting engineering. The light source consists of a printed circuit board dissipating heat, a LED array pack, a beam splitter and reflector. The LED array pack is fixed to the printed circuit board and covered by the beam splitter which, in its turn, is pressed to the reflector and positioned with it. The central light beams from the LED array pack are collimated by the beam splitter for the purpose of projection outside. Side light beams are refracted in the direction by the beam splitter, intercepted by the reflector and redirected to the target area of lighting together with the central beams. |
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Lighting device with beam splitting effect Lighting device consisting of at least one light source generating a light beam, the first section of a diffuser diffusing the first part of the above light beam, the second section of the diffuser diffusing the second part of the above light beam. At least a part of the above second part of the above light beam differs from the above first part of the above light beam and the first and second sections of the diffuser are made so that they may move in regard to the above light beam independently. The first section of the diffuser may be rotated around the first axis which is in essence is parallel to the central axis of the above light beam and the second section of the diffuser may be rotated around the second axis which is in essence is parallel to the central axis of the above light beam. |
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Lighting device, display device and television receiver Invention relates to the field of lighting equipment. A highlighting unit 12 consists of a LED 17, a chassis 14 including a base plate 14a mounted at the side opposite to the side of the light output in regard to the LED 17, at that the chassis 14 contains the LED 17 and the first reflective sheet 22 that reflects light. The first reflective sheet 22 includes a four-sided base 24 running along the base plate 14a and two elevated portions 25 and 26, each of these portions is elevated from each of two adjacent sides of the base 24 in direction of the light output. There is a junction J between two adjacent side edges 25a and 26b of the elevated portions 25 and 26. In the highlighting unit 12 the side edge 25a of the first elevated portion 25 out of the two elevated portions 25 and 26 has a face piece 28 faced to the side edge 26a of the elevated portion 26 in the same direction in which the first elevated part 25 is elevated from the base 24 outside towards axis Y, and the first elevated part 25 and the face piece 28 are extruded towards direction of the light output. |
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Invention is related to light engineering, in particular to illumination devices and is intended for use in multipurpose household and industrial illuminators. The technical result lies in that a LED lamp contains a LED module made as the base with LEDs fixed in it, a light diffuser of spherical shape, a body having a shape of a rotary body and a radiator with longitudinal ribs placed inside it, a power supply unit connected to the LED module and a lamp-base. The body is made of dielectric plastic; it has an additional cavity in the centre, with longitudinal ribs and alternating windows between them at the lateral side. Between the longitudinal ribs and additional cavity there is a gap with installed radiator and longitudinal ribs matching the longitudinal ribs of the body; the power supply unit is installed in the additional cavity of the body. |
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Invention is related to light fixtures combining discharge lamps and powerful light-emitting diodes used for general lighting and ray treatment in crop growing. The light fixture contains fittings with a discharge lamp, in particular, with a high-pressure sodium lamp (HPS) or a metal-halide lamp (MHL) installed axially in the elongated concave reflector, powerful light-emitting diodes, starter and regulator devices and supply devices on top of them. One or two flat end walls of the reflector are mounted under the sharp angle towards the outlet of the lighting fixture and made as a cascade of transversal steps of heat-conductive material in the reflector while light-emitting-diode (LED) modules, LED lines or separate LEDs mounted on these steps in the heat contact zone emit in the selected spectral ranges adding to emission of the discharge lamp and changing the total spectral distribution. |
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Method for manufacturing of LED light fixtures includes the following stages: LED groups installed at least on one printed circuit board made on the metal base are fixed to the bearing metal case by means of cold compression; the printed circuit board and the equipped radiator are fixed; metals in the metal base of the circuit printed board and case are extruded, then further compression of metals is performed, at that expansion of the compressed metals is limited at sides by sliding movable heads; equipment is returned into initial position and the connected part is removed from the circuit printed board and case; a power supply source and a terminal block are installed into the case of LED light fixture; the terminal block, the power supply source and the LED group are connected electrically; protective optical dissipating glass is installed and the side cover is installed at the fixture case. |
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Invention relates to the field of lighting equipment. Technical result is improvement of lighting efficiency for portable lighting devices. The claimed lighting device has a scrolling function that provides lighting of the observed area at which the user is concentrated at present and the lighted area is scrolled forward and backward during reading. The lighting device contains two varieties of light-emitting units, an illuminating substrate, a controller and a selector. The selector controls one variety of the light-emitting units which illuminate a part of the illuminating substrate capable to deflect light to a part of the observed surface. |
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Light assembly and lantern for lighting of road and/or street Invention refers to light assembly and lantern for lighting of a road and/or street. The light assembly (10) to be used in the lantern (1), in particular for lighting of the road and/or street includes a number of optical sources and a reflector (20) placed opposite the optical sources in order to control light emitted by them. The reflector (20) includes a number of reflecting elements (22) placed in parallel to each other and at least some of the reflecting elements (22) have the first section adapted for complete reflection and the second section adapted for partial reflection. |
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Light-emitting diode (led) lighting fixture and heat-eliminating profile as fixture body Group of inventions which includes a LED lighting fixture and a heat-eliminating profile as its body is related to the field of lighting engineering and namely to lighting fixtures for stationery mount with use of semiconductor optical point sources (LEDs) located in a row or a band and its body included into the device composition and serving as a load-carrying member. Substance of the invention lies in combination of lighting, load-carrying, protective and heat-eliminating functions which are attained due to manufacture of the lighting fixture with a body-radiator with linear printed circuit boards and optical point sources installed on it, translucent screen made of shock-proof material, end covers and external power supply source located at the external side of the body base. The lighting fixture is distinguished by use of heat-eliminating extruded section as a body-radiator and peculiarities of its design allow assembly of the lighting fixture with the least labour intensity due to availability of U- and F-shaped longitudinal elements in its base and improved heat elimination due to availability of longitudinal elements formed by closed loops. Optical sources are made in the form of several lines of printed-circuit boards with certain amount of optical sources on them. Protective translucent screen is flat and has rectangular shape. End covers are made from the inner side as the body counterpart thus ensuring accurate mount during installation and due to vertical-oriented openings for fixtures mounting of the lighting fixture can be made in the assembled condition. |
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Elongated lighting fixture and method of its fixing to surface Elongated lighting fixture and method of its fixing to surface are claimed. The lighting fixture contains at least two fixing elements (1, 2). Each fixing element (1, 2) has contact surface for adjoining to the above bearing base, at that contact surface has orifice (8) to insert fastener to fix the fixing element (1, 2) tightly to the above bearing base. Contact surfaces have a layer of adhesive (15) for temporary fixing of the lighting fixture (4) to the bearing base. |
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Lighting device, display device and television receiver Invention relates to the field of lighting equipment. Lighting device (12) is equipped with a number of optical source cards (20) with variety of point optical sources (17) installed at them. Average colour tone of point optical sources (17) (POS) at each card (20) is in equivalent colour range defined by the square, and each opposite side of two square sides has coordinate length in the axis X equal to 0.015, and each opposite side of two square sides has coordinate length in the axis Y equal to 0.015 at the colour space chromaticity chart of International Commission on Illumination as of 1931. POS are categorized into three colour ranges defined by squares, at that each side of the square has a length of 0.015. At that the second and third ranges adjoin the first one that includes the above equivalent colour range. POS cards include the first cards with installed point optical sources in the first and second colour ranges, and the second cards with installed point optical sources in the first and third colour ranges. The first and second POS cards are placed in sequence. |
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Invention relates to light sources operating on the base of semiconductor light-emitting diodes. Heat radiator is made of a set of plates with or -shaped form that contact with each other by a flat horizontal part. Length of horizontal part of each plate is bigger than the previous one as they approach the light-emitting diode. Ends of plates are incurved to the side opposite to heat-removal base. Heat removal base is placed under heat radiator. According to the second version length of horizontal parts of radiator plates increases from the outermost plates to the medium ones and heat-removal base is placed under the heat radiator between ends of incurved plates. According to the third version heat-removal base is placed at butt end of the radiator between ends of incurved plates. |
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Radially directed heat dissipating device and pear-shaped light-emitting device using same Invention relates to a pear-shaped light-emitting diode (LED) which provides efficient heat dissipation, preserves a compact size and a wider light radiation angle. The LED lighting device has a plurality of LEDs, having a metallic printed-circuit board on which a plurality of LEDs are mounted; a screw base; a heat dissipating device; and a bulb. The heat dissipating device has a main housing and a plurality of heat dissipating fins. The main housing has a cylindrical part, at the centre of which there is a cylindrical part with an open top, an annular flange which vertically protrudes from the bottom of the cylindrical part, and a protrusion whose diameter gradually decreases from the annular flange to the lower surface of the lighting device on which the plurality of LEDs are mounted. The heat dissipating fins have an inner vertical portion and a lower part connected to the cylindrical part and the flange of the main housing, respectively, and arranged radially upwards and downwards. |
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Method for light-emitting surface manufacturing and lighting unit for method realization Method for light-emitting surface manufacturing and lighting unit for method realization are referred to light engineering and namely to light-emitting diode lighting facilities purposed for design of external and internal lighting. Method for light-emitting surface manufacturing includes operations of radiation flow generation; shaping of the flow direction by light-reflecting structure; exposure to radiation of luminophore particles forming the first means for radiation flow conversion; exposure to radiation by light flux of the second means for radiation flow conversion, which is made of optically transparent material and equipped with means for dispersion. Lighting unit contains emitting source in blue and/or ultraviolet spectral range; the first means for radiation flow conversion equipped with luminophore particles; light-reflecting structure capable to change direction of emission; the second means for radiation flow conversion equipped with light-diffusing elements made of optically transparent material and having light-emitting surface. |
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Light-emitting diode module cooling system Invention relates to radio electronics and can be used in designing efficient cooling systems of powerful LED modules. The LED module cooling system consists of a heat-removing base merged with a heatsink made of microporous material with microchannels and filled with a liquid coolant and LEDs mounted thereon. The microchannels are located in the heat-removing base under the LEDs perpendicular to the mounting plane of the LEDs, wherein their ends adjoining the LEDs form, in maximum proximity to the p-n junctions of the LEDs, a surface which intensifies boiling and evaporation due to a layer of microporous material deposited between each LED and the end of the adjoining microchannel, wherein the size of the pores of the microporous material is considerably smaller than that of pores of the material filling the heat-removing base of the LED module, wherein the size of the pores of the microporous material decreases towards the LED. The system requires one-time filling with liquid and is less sensitive to variations of the initial volume of the liquid. |
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Invention relates to electric engineering and it can be used for lighting of highways and in plant breeding. Combined light fixture contains lighting fittings with high-pressure discharge sodium lamp or metal-halide lamp installed in concave reflector, to which side walls LED elements are adjoined providing thermal contact at cooling radiators; LED elements are made in the form of matrix, lines or modules with powerful LEDs having optical axes oriented in parallel or at sharp angle towards the main focal plane of reflector. Emission of LEDs is made in the selected spectral ranges supplementing emission of gas discharge lamp and changing the total spectral distribution of the light fixture. LED elements are pivotally connected in the fittings; slope angle of their optical axes can be changed towards focal plane of the reflector and they are heat insulated from side walls by air gap. |
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Modular light-emitting diode projector Invention relates to lighting engineering and specifically to light-emitting diode (LED) optical units used as a light source in projector-type lighting devices, primarily used to illuminate railway tracks and track spacing. In the modular LED projector, having a protective housing in which LED modules and a power supply unit are mounted, each LED module has an optical system with LED sectors which include LEDs, lenses and heat-conducting aluminium-based printed-circuit boards, wherein the LEDs are mounted at the focal point of the lens, the modular LED projector further including a cold backup LED module and vertical and horizontal position controllers of the optical system, and the LED modules are mounted on a support base which is made in form of a single even component or in form of a welded frame on a base with aluminium heatsinks, and a voltage converter is placed either directly in the housing of the heatsink of the module or in a separate housing, each sector further including detachable focusing assemblies that are unique for each LED, closing plates, wherein the focusing assemblies consist of an aspherical lens and a polycarbonate-based holder. |
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Projector with lens light flux former Projector with a lens light flux former comprises a reflector, a light source situated at the focal point of the reflector, a lens holder, a composite lens consisting of parts, one of which is a segment of a convergent lens and the other is a segment of a divergent lens, the match line of said segments enabling to obtain light flux of a given shape. |
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Aerodrome lighting device (versions) Light beam that left the first output face passes along the first channel and gets to the first input surface of the first window. Light beam that left the second output face passes along the second channel and gets to the second input surface of the second window. The light beam is discharged from the device via the first output surface of the first window and the second output surface of the second window. At the same time arrangement of the first window and second window in the form of an optical wedge with mutually perpendicular cylindrical surfaces or in the form of an optical wedge with a diffraction structure with rated relief applied onto the first input surface of the first window and the second input surface of the second window provides for formation of angular divergence of the light beam, which has asymmetric angular dimensions along the vertical line and horizontal line and change of its direction, providing for arrangement of the lower border of the light beam on the surface of a landing strip, and also provision of the specified direction of the axis of maximum brightness of light beam. |
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Light diode lamp comprises a body with a fixed printed circuit board with light diodes, a primary optical system and a secondary optical system. Light diodes produce segments, where the primary optical system is directly installed, besides, above it there is the secondary optical system comprising groups of lenses, and installed as capable of radial displacement relative to the axis of the lamp. |
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Lighting device, display device and tv receiver Lighting device includes a light source device U, units (31 - 35) of light guides, chassis (60) and a positioning part S. The chassis (60) comprises the light source device U and units (31 - 35) of light guides. The light source device U includes multiple sets of light sources P, arranged along the central line Lc. Each set of light sources P is a pair of light diodes (45), arranged so that it is equidistant from the central line Lc and facing each other. Each unit (31 - 35) of light guides is arranged between the appropriate set of light sources P. Light sources have two final surfaces E in the longitudinal direction, which face the light diodes (45). Positioning parts S are placed in the middle part of the appropriate units (31 - 35) of light guides in longitudinal direction on the central line Lc. |
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Device comprises a light-emitting part, a support element, connected with the light-emitting part and a grip, having one end connected with the specified support element, and the opposite end having the grip part, in which the specified grip has mainly the cylindrical shape. The battery compartment is located in one of grip levers. The first and second levers are installed with displacement relative to each other and may be pressed to each other with a spring. |
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Lamp (1) consists of basic device (3) as the first functional block and lamp housing (11) as the second functional block, basic device (3) is meant for mounting in standard socket (24) for hidden wiring and includes converter (5) with control device, unit (4) for connection to network wires (28), electrical straight joint (8) and mounting panel (6) with connective means for attachment to socket (24) for hidden wiring, and lamp housing (11) includes at least one illumination device (14), one window (15) for output of generated light, one electrical male plug (13) made in compliance with straight joint (8) and connective means (22) for attachment to basic device (3). |
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Globular light-emitting-diode lamp and its manufacturing method Globular light-emitting-diode lamp (10) has clear bulb (14) and base (12) for connection to lamp socket. Before insertion of bulb (14) neck in section (16) by means of base (12) wrapping with expanding band (38) from foam material of Compriband type or similar, self-levelling of base (12) in bulb neck (16) may be achieved. In addition bars (36) of soft metal may be wrapped around band (38) before band (38) wrapping around base (12). Band (38) serves as air cushion, which presses metal bars (36) to base (12) and bulb (14). |
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Light emitting diode (LED) of bulb-type lamp (1) has bulb (3) installed on base. Light source (7) containing many LEDs installed on printed-circuit board (9) is located inside bulb (3). Printed-circuit board (9) operates as and/or is connected to cooling means (21). Outer surface (15) of bulb is formed both as transparent surface and/or its subareas and cooling means (21). These cooling means pass from the bulb inside to the bulb outer surface. Surfaces are mutually flush levelled in places on outer surface of the bulb where mentioned surfaces of cooling means and transparent subareas adjoin. |
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Panel comprises a stiff substrate (2) coated with a light emitting cloth (4). The stiff substrate (2) has a front surface (6), a rear surface (8), the first edge (10) and the second edge (12), opposite to the first edge. The light-emitting cloth (4) coats at least partially the front surface (6), stretching from the first edge (10) in direction of the second edge (12), and contains optical fibres (14), stretching on the front surface (6) of the stiff substrate (2) substantially perpendicularly in respect to the first edge (10) and the second edge (12). The first ends of optical fibres (14) are bent around the first edge (10) in direction of the rear surface (8) of the stiff substrate (2), and tightening facilities (26) are provided at the level of the first edge (10) and create a clamp that provides for compression of bent parts of optical fibres (14) and the first edge (10) of the stiff substrate (2). |
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Device comprises a coupled reflector (3) with several sections (A1, A2, B) of a reflecting surface and the first source (1) of light, which is located in such a manner that its light radiation is reflected by the first section (A1, B) of the reflecting surface of the reflector (3). The reflector (3) is made with a hole (5). The light device is equipped with the second source of light, which is arranged relative to the direction (L) of the light radiation of the light device behind the part (4) of the reflector (3), and its light radiation via the hole (5) gets to the second section (A2) of the reflecting surface of the reflector (3) and is reflected there. |
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Backlighting device, display device and tv receiver Backlighting device (20) comprises a substrate (22), where multiple point sources of light are placed in the form of light diodes (21), and slots (23), which are also arranged on the substrate. Multiple point sources of light include the first point source of light (21), which is placed near the slot (23), and the second point source of light (21), which is placed in a position distant from the slot (23) compared to the first point source of light (21). The light beam in the surroundings of the slots is higher than the light beam in the area different from the surroundings of the slots. |
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Light-emitting diode lighting fixture Invention refers to the sphere of lighting engineering, in particular to light-emitting diode (LED) street lighting fixtures. LED lighting fixture includes housing with radiator fixed on it, fasteners of LED matrix, protective glass and holder with opening and mechanism for fixing tubular console of the substructure; at that housing of the fixture is ready-made as a base over windows with radiator and at least one LED matrix mounted in its central part. Radiator is mounded at the base over windows. At the base sides there are fixed longitudinal lateral sides connected by cut slots with air flow guides installed over the radiator and at least two air flow guides of the holder which are made as ribs and installed perpendicular to longitudinal axis of the fixture. Front section of the housing is made as air flow guides mainly parallel to longitudinal axis of the fixture. Holder of the lighting fixture is made of a set of air flow guides connected to each other additionally by means of at least three plates; at that the upper plate is connected by cut slots to at least two guides in the housing. |
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Light fountain consists of different light emitters which generate light rays which are constant and intermittent, move on a circle, on a cone and swing with a different colour gamma. |
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Electric lighting system (versions) Electric lighting system comprises a solar battery, an electric energy accumulator, a charge controller, an inverter, a transformer, an electric line and lamps operating on a cathode luminescence effect under the effect of electrons emitted by a field radiating cathode made of nanostructured carbon material. The inverter is in form of a frequency converter connected to a high-frequency step-up resonance transformer, the inner high-potential terminal of the high-voltage winding of which is connected to a single-wire line. The lamp line is connected in parallel by one terminal to the high-voltage line. The second terminal of each lamp is connected to a natural capacitor in form of an insulated conducting body. |
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Illumination device, display device and television receiver Backlight unit (12) includes LEDs as light sources, a LED board (18) on which LEDs are mounted, a frame (14), which holds the LED board (18) and has a connection opening (14e), a housing part (24), which clamps the LED board (18) between the housing part (24) and the frame (14) and holds the LED board (18), and a board-holding element (20), having a connection part (25) which protrudes from the housing part (24) towards the frame (14), so as to enter the connection opening (14e), and the board-holding element (20) is configured to rotate along the flat surface of the frame (14) between a holding position, in which the connection part (25) overlaps with the edge of the connection opening (14e) in the plan view, and presses the edge of the connection opening (14e) between the connection part (25) and the housing part (24), and a non-holding position in which the connection part (25) does not overlap with the edge of the connection opening (14e) in the plan view, and connection and disconnection of the connection part (25) from the connection opening (14e) is allowed. |
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In light-emitting-diode lamp containing body with light-reflective surface, light-emitting diodes connected through conductors with power supply unit and screw base the body is made as a regular multi-faceted tube made of dielectric material and having windows in the wall for installation of light-emitting diodes in them; at that tube is drawn on the base by its one bearing face. The other bearing face of tube is equipped with perforated lid having in its wall a window for installation of light-emitting diode. Each light-emitting diode is installed in a window with gap sufficient for air passage and fixed by holders. During operation in light-emitting-diode lamp heated ambient air is replaced constantly. Distinctive feature of the lamp includes washing of all surfaces of light-emitting diodes by air streams. |
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Led lamp of straight-tube type LED lamp contains tube body, lamp base located at two ends of tube body and lamp tape which is inserted into the tube body and connected to it and it contains a printed circuit and heat diffuser; the lamp base has connecting device inside it to connect lamp tape; connecting device contains a connecting element with connecting lip passing along the lamp tape length; connecting lip has a latch, A respective place of the lamp tape is equipped with a socket matched with the latch; printed circuit is covered and glued to heat diffuser as a whole through insulating thermoconductive layer. |
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Assembly method of light-emitting-diode lamp, and light-emitting-diode lamp Method involves fabrication of at least one main printed circuit with light-emitting diodes (LEDs) and auxiliary printed circuit. Then input contact pads of the main and auxiliary printed circuits are interconnected by rigid wires. Thereafter auxiliary printed circuit is installed in radiator cavity while the main printed circuit is fixed at radiator. Light-emitting-diode lamp contains at least one printed circuit with LEDs mounted at it which is fixed at radiator, auxiliary printed circuit with power supply elements mounted at it which is fixed in radiator cavity. At that the main and auxiliary printed circuits are connected electrically by wires. At that wires are rigid and located in the area of the radiator side port. |
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Carrier pin, lighting device, display device and television receiving device In carrier pin (11) used for support of optical elements (43-45) though which part of light passes from light-emitting diode (24) a part of peak (14) contacting with light-diffusing plate (43) is formed of light-reflective material while a part of rack (12) supporting peak (14) is formed of light-transmitting material. |
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Method and device for using light-emitting diode in greenhouse Group of inventions relates to agriculture and electricity. The modular system comprises a housing which comprises: a series of light-emitting diodes (LED), of least two different colours for generating light within a colour spectrum, at that the LED are mounted, preferably, with fixation when latching on the plate, preferably thermally conductive, or near it, which is equipped with cooling means of LED using a cooler; a processor for controlling the magnitude of current supplied to the LED row, so that the magnitude of the current supplied to them determines numbers the light colour generated near the LED, and a flat translucent element having translucent lenses connected to the LED, to control the scattering angle of light emitted by each LED, for the uniform illumination of the surface; at that the housing is provided with a channel for receiving a tube for supplying power and, as a version, a cooler for the LED system. The system comprises a closed photobioreactor illuminated by one or several modular LED systems according to cl. 1. In the method of screening for optimum illumination the plant material is placed in the bioreactor illuminated with one or several modular LED systems according to cl. 1, and the rate of formation of CO2 in the plant material when exposed to light of different intensity is measured. The control system comprises a photobioreactor with the means of screening of photosynthetic activity, which is illuminated by the modular LED system according to cl. 1 in addition to incoming sun light; the computer for processing the data obtained from the means of screening of photosynthetic activity, which enables to screen the photosynthetic activity of plant material of the photobioreactor illuminated with light of different wavelengths and intensities; to measure the incoming sun light and if its intensity is reduced, to increase the intensity of the LED; and to control illumination of plants in the greenhouse by illuminating the plants with light having a wavelength composition and intensity, which provide the highest photosynthetic activity in the photobioreactor. In the control method using the photobioreactor the photosynthetic activity of plant material placed in the reactor is screened, which is illuminated by the modular LED system according to cl. 1 in addition to incoming sun light; using the computer the data obtained by means of screening of photosynthetic activity are processed; at that the photobioreactor screens the photosynthetic activity of the material which is illuminated with light of different wavelengths and intensities, and the computer controls illumination of plants in the greenhouse, illuminating the plants with the light having a composition of wavelength and intensity which provide the highest photosynthetic activity. The greenhouse system comprises a modular LED system according to any one of cl. 1-11 inside the greenhouse for plant growth; the measuring means for measuring one or several variables, which are directly or indirectly linked to the growth and development of plants; the control means made with the ability to control lighting, depending on the output signals of the measuring means. The reactor comprises one or several compartments for storage of liquid comprising a culture of phototrophic microorganisms; the inlet pipe for feeding gas stream comprising CO2, in one or several compartments; the outlet pipe for removing gas from one or several compartments, means of controlling the temperature of the culture of phototrophic microorganisms, and the modular LED system according to any of cl. 1-11. |
Another patent 2513920.